What could be more superstitious than the idea that money brings forth food?

We are now, measurably, reducing the availability of these life-supporting goods which we can think of (though only on the conditions of good health and good care) as self-renewing or "sustainable." We are also destroying rapidly the supplies of the fossil fuels, which are limited and not renewable, and on which we have become totally dependent.

We have the world to live in on the condition that we will take good care of it. And to take good care of it we have to know it. And to know it and to be willing to take care of it, we have to love it.

The hierarchy of power is not the same as the hierarchy of value. A good human is higher than the animals on both scales; an evil human is high on the scale of power, but at the very bottom of the scale of values.

The acquisition of knowledge always involves the revelation of ignorance-almost is the revelation of ignorance.

Explanation changes whatever is explained into something explainable.

To be patient in an emergency is a terrible trial.